#导入包，导入Line功能构建折线图对象
from pyecharts.charts import Line
from pyecharts.options import TitleOpts,LegendOpts,ToolboxOpts,VisualMapOpts
#得到折线图对象
line = Line()
#添加x轴数据
line.add_xaxis(["中国","美国","英国"])
#添加y轴数据
line.add_yaxis("GDP",[30,20,10])

#设置全局配置set_global_opts
line.set_global_opts(
    title_opts=TitleOpts(title = "GDP展示",pos_left="center",pos_bottom= "1%"),
    legend_opts= LegendOpts(is_show=True),
    toolbox_opts=ToolboxOpts(is_show = True),
    visualmap_opts=VisualMapOpts(is_show = True)
)
#生成图表
line.render()